JASC 2121

Service difficulty reports · 4,377

Reports filed under 2121 · Air Distribution Fan, newest first.

Query with SQL
duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
  FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
  WHERE jasc_code = '2121'
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SDR HNAA2026012900095Fan · odorBURNING SMELL WITH PACK 2 SELECTED. INSPECECTED AND FOUND PACK 2 RUNNING FINE WITHOUT SMELL. FOUND GASPER FAN TO BE CAUSE OF BURNING SMELL. SEE SEQ 3 FOR NEW WRITEUP. ALSO R/RD ROW 12A BALLAST IAW AMM 33-21-05.A/C OK FOR SERVICE. RAN PACKS FOR 30 MIN NO SMEJan 28, 2026 · N697AB · Emb EMB145LRSDR CALA2026012713338Fan · failedSMOKE ODOR, VENT EXTRACT FAULT. R & R OF AVIONICS EXTRACT FAN (18HQ). ACCOMPLISHED CONDITIONAL INSPECTION (SMOKE OR FUMES IN CABIN) IAW AMM 05-51-10-200-801-C1. NO DEFECTS NOTED.Jan 24, 2026 · N14504 · Airbus A321271NXSDR DALA2026012500536Blower · failedSUPPLEMENTAL INFOMRATION, AIRCRAFT 5092, STRONG ELECTRICAL BURNING ODOR IN COCKPIT AND FORWARD GALLEY WHILE AT THE GATE. APU IN USE AND APU POWER AND BLEED OPERATIVE. FOUND FAN BLADES RUBBING ON HOUSING. FAN IS FREE SPINNING. PUT FAN DUCTING BACK ON IAW AMM 2Jan 23, 2026 · N592DT · Airbus A321271NXSDR DXTA2026012306612Blower · faultyDURING INITIAL CLIMB OUT OF ADS WE BOTH NOTICED A SMOKE/BURNING SMELL THAT LASTED FOR ABOUT 30 SECONDS AND THEN DISSIPATED. THE ONLY ABNORMAL INDICATION WE SAW WAS AN OCCASIONAL AMBER X ON THE RIGHT SIDE OF THE HEAT EXCHANGER ON THE ECS PAGE. ADDITIONALLY I REJan 20, 2026 · N486QS · Emb EMB505SDR DALA2026011800405Blower · faultedVENT BLOWER FAULT DURING TAXI OUT. NOTICED BURNING SMELL WHEN BLOWER FAN WAS REMOVED. REPLACED VENT BLOWER FAN PER AMM 21-26. (LP 6582080, 1406325)Jan 17, 2026 · N527DE · Airbus A321271NXSDR CALA2026011212882Circuit Card · faultedFWD EQUPMENT EXHAUST FAN STATUS MESSAGE WITH FWD EXH EQU IP COOL FAN BREAKER ON P6 PANEL TRIPPED. PILOT REPORTED SMOKE IN FLIGHT DECK WHEN CB TRIPPED. FOUND TO BE BINDING & REPLACED IAW AMM 21-58-06/401. ECS FAN CONTROL CARD M990 REPLACED IAW AMM 21-26-05/401Jan 10, 2026 · N665UA · Boeing 767322SDR GTIA2026010839242Fan · inoperativeSMOKE IN COCKPIT STARTING N 25,000-PERFORMED TSM 05-50-00-810-831-A. AIRCRAFT CATEGORIZED AS TYPE 9 AQE. TROUBLESHOT AND FOUND L RECIRC FAN 15HG CAUSE OF AQE BURNING ELECTRICAL ODOR IAW TSM TSM 05-50-00-810-831-A AND AMM 21-21-51. SEE LP 6004369-2 FOR LT RECIRJan 6, 2026 · N631NK · Airbus A320232SDR SWAA2026010557829Fan · odorSMELL OF ELECTRICAL CIRCUIT IN CABIN NO SMELLS IN COCKPIT. SMELL WAS MID CABIN SOURCE UNKNOWN NO SMOKE JUST SMELL. BOTH ENGINE BLEEDS ON BOTH PACKS AUTO. APU OFF. FOUND LT RECIRC FAN CIRCUIT BREAKER OPEN; REMOVED AND REPLACED LT RECIRC FAN IAW AMM 21-25-02; Jan 3, 2026 · N8329B · Boeing 7378H4SDR CALA2026010212574Fan · odorSMOKE ODOR CONDITIONAL INSP REQUIRED PER AMM 05-51-XX DUE TO AN INCIDENT REPORTED BY THE CREW. REF LP 7458681 COMPLIED AMM TASK 05-51-58-800-801-C3 WITH CMC MSG 21-24700 VISUAL CHECK AND DEACTIVATED LOWER RIGHT RECIRCULATING FAN. OPERATE AIR CONDITIONING ON GRDec 31, 2025 · N2644U · Boeing 777300ERSDR DALA2025123009491Fan · odorSTRONG ELECTRICAL SMELL IN FLIGHTDECK BLOWER FAULT QRH COMPLIED WITH. FOUND 20HQ VIBE MONITOR TRIPPED AND FOUND 18HQ CONNECTOR DAMAGED PER A320 AMM 21-26. REPLACED (18HQ) CONNECTOR PER A321 WDM 21-26-09, AND (18HQ) EXTRACT FAN PER A321 AMM 21-26. OPS CHK NMLDec 29, 2025 · N507DZ · Airbus A321271NXSDR CALA2025122212312Fan · failedPOSSIBLE ELECRICAL BURNING ODOR IN FWD GALLEY & FLIGHT DECK. ODOR APEARS TO COME FROM RT RECIRC FAN. RT RECIRC FAN INOPERATIVE. PERFORMED SMOKE IN CABIN CHECK AS PER AMM TASK 05-51-10-200-801-C1. ALL EVIDENSE OF ODOR DISIPATATED. OK TO CONTINUE ON MEL. APDec 23, 2025 · N830UA · Airbus A319131SDR DALA2025122209277Fan · failedATB DUE TO ELECTRICAL SMELL IN COCKPIT. REPLACED BLOWER FAN. (LP 8123408)Dec 22, 2025 · N320NB · Airbus A319114SDR AALA202512267510Fan · faultedACFT GROUNDED: DURING CRUISE AFT F/A CALLED & SAID THEY SMELLED A STRONG ODOR OF SULPHURIC LIKE ODOR. FWD F/A CALLED & SAID SAME THING. CABIN JUMPSEATER REACHED UP & SHUT OFF LAV, ATTN, READ POWER BUTTONS ON CIDS PANEL. ODOR DISAPPEARED & NO FURTHER ISSUES.Dec 21, 2025 · N190UW · Airbus A321211SDR CALA2025122112275Fan · faultedNOISE COMING FROM AVION ICS BAY WITH LIGHT PUNGENT SMELL REQUEST MEL 2126AC APPROVED. MEL 2126AC REJECT TO CLEAR REMOVED AND REPLACED BLOWER FAN PER AMM 21-26-51-400-001-A OPS CHECK GOOD. NO FAULTS FOUND.Dec 19, 2025 · N455UA · Airbus A320232SDR DALA2025121809210Relay · faulted(LOG 1356741) CREW REPORTED BURNING ELECTRICAL ODOR OCCURRED TWICE AROUND ROWS 12-13. R/R L RECIRC FAN RELAY AND BOTH RECIRC FILTERS. REF B737 AMM 21-25. OPS CKS GOOD WITH NO SMELL PRESENT.Dec 18, 2025 · N882DN · Boeing 737900ERSDR WX0A2025122232680Fan · odor(AIRCRAFT NOT GROUNDED) APPROX @ TOP OF DESCENT BRIEF ACRID SMELL CB X18 POPPED, RECIRC FAN SUPPLY. PERFORMED TSM 21-21-00-810-802-A CONFIRMED RECIRC FAN FAULT. REMOVED AND REPLACED IAW AMM 21-21-51-000-001-A AND AMM 21-21-51-400-001-A OPS CHECK GOOD.Dec 15, 2025 · N204NV · Airbus A320214SDR DALA2025121509125Blower · odorDIVERTED TO DFW DUE TO A REPORTED FUMES IN THE COCKPIT AND CABIN WITH AN ASSOCIATED AVIONICS VENT BLOWER FAULT. MAINTENANCE CONFIRMED AVIONICS BLOWER FAN 20HQ TO BE THE SOURCE OF THE SMELL. CORRECTIVE ACTION: REPLACED AVIONICS COOLING BLOWER FAN. (LP 8068822)Dec 15, 2025 · N118DY · Airbus A321211SDR DALA2025121209096Fan · odor(LOG 8140804) RUBBERY/BURNING PLASTIC ELEC SMELL IN CABIN AT LEVEL ALERTING PAX AND FA'S. FOUND RIGHT RECIR FAN BINDING AGAINST CASE. R/R RIGHT RECIR FAN IAW B737 AMM 21-25, ALSO REPLACED LT/RT RECIR FAN FILTERS IAW B737 AMM 21-25.Dec 9, 2025 · N944DZ · Boeing 7379GPERSDR DALA2025121209102Fan · dirtyAT CRUISE A BUZZING SOUND FOLLOWED BY A BRIEF BURNT PLASTIC SMELL OCCURRED. BOTH SOUND AND SMELL IN THE AFT GALLEY WENT AWAY AFTER ALL GALLEY ELECTRICAL WAS TURNED OFF. FOUND DUSTY FAN INLET GRILL IN AFT GALLEY. NO BUZZING SOUND OR OTHER ISSUE PRESENT AFTER CLDec 8, 2025 · N308DU · Airbus BD5001A11SDR HYIA20251212001Blower · failedPILOT REPORTED LOW AIRFLOW AND A BURNING SMELL FROM THE CABIN HEATER. MAINTENANCE INSPECTED AND FOUND THE COMBUSTION HEATER VENT BLOWER AT FAULT. THE BLOWER WAS REPLACED WITH NO FURTHER DEFECTS NOTED.Dec 7, 2025 · N508CA · Tecnam P2012SDR CALA2025120811855Fan · seizedPER VERBAL FROM THE CAPTAIN, ELECTRICAL, ACRID ODOR IN CABIN AND FLT DECK. NO VISIBLE SMOKE NOTED. CONDITIONAL INSPECTION CARRIED OUT IAW AMM 05-51-58-800-801-C3, UP TO & INCLUDING BLOCK 1. B. NO DEFECTS NOTED BY CREW IN DE-BRIEFING, RECIRC FAN STATUS MESSADec 4, 2025 · N74007 · Boeing 777224SDR GTIA2025120439194Fan · failedAMBER FAN INDICATION ON COND PAGE SMELLED SMOKE IN FLT DECK AND CABIN.Dec 2, 2025 · N676NK · Airbus A321231SDR AALA202512024089Cooling Fan · failedAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS NOT DECLARED DUE TO: EQUIPMENT COOLING EXHAUST FAN OFF LIGHT ILLUMINATED AT CRUISE. AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT MIA. REMOVED AND REPLACED ALTERNATE (AALA202512024089) AND PRIMARY (AALA2025120226Nov 28, 2025 · N944AN · Boeing 737823SDR AALA202512022695Cooling Fan · failedAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS NOT DECLARED DUE TO: EQUIPMENT COOLING EXHAUST FAN OFF LIGHT ILLUMINATED AT CRUISE. AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT MIA. REMOVED AND REPLACED ALTERNATE (AALA202512024089) AND PRIMARY (AALA2025120226Nov 28, 2025 · N944AN · Boeing 737823SDR DALA2025113008737Fan · failedAFTER STARTING APU AND TURNING ON PACK, AFTER 3 MINUTES THERE WAS AN ACRID BURNING SMELL THAT EACH CREW MENTIONED OF OWN WITHOUT ASKING. SMELL BETTER AFTER PACKS TURNED OFF. ALSO MENTIONED BY PAX. C/W AMDS 0550-2002. FOUND CABIN RECIR FANS AT FAULT. SMELL BURNov 28, 2025 · N360NW · Airbus A320212SDR CALA2025112611488Fan · faultedOVERHEAT LIGHT FLICKERED SEVERA. TIMES WITH FAINT ELEC ODOR ALTN SELECTED. LIGHT EXTINGUISHED SMELL WENT AWAY. CREW REPORTS IN ALT MODE SYSTEM WORKS NORMAL. WITH SWITCH IN NORMAL OVERHEAT LIGHT IS ON WITH GROUND WARNING ORAL ALARM. AT EQUIP COOLING OUTLET SYNov 22, 2025 · N73860 · Boeing 75733NSDR CALA2025112411406Fan · odorBURNED PLASTIC SMELL IN CABIN AND FLIGHT DECK. SMELL DUE TO LEFT RECIRC FAN AIRCRAFT INSPECTIONS HAVE BEEN ACCOMPLISHED PER REQUIREMENTS OF AMM 05 -51-56. SOURCE OF SMELL DUE TO LEFT RECIRC FAN INOP. FOUND BREAKER F4 RECIRC FAN, LEFT POPPED LEFT MISC ELECTRICNov 22, 2025 · N675UA · Boeing 767322SDR DALA2025120308823Fan · failedRIGHT RECIRC FAN FAILED CAUSING ELEC SMELL IN FLT DECK. R/R RT RECIRC FAN, (1315032)Nov 21, 2025 · N175DZ · Boeing 767332SDR IXXA20251124078Cooling Fan · odorAFTER ENGINE START, CREW REPORTED ELECTRICAL BURNING SMELL WITH FAN EICAS MESSAGE DISPLAYED. BLOCK RETURN FOR INSPECTIONS AND MAINTENANCE. FOLLOWING FWD LOWER CARGO OFF LOAD, LINE MAINTENANCE ISOLATED FAULT TO FWD PRIMARY SUPPLY FAN. ADDITIONAL INSPECTIONS OF Nov 21, 2025 · N395CM · Boeing 767323SDR CALA2025112511465Fan · inoperativeLEFT RECIRC FAN INOP ON EICAS AND OVERHEAD PANEL REQUEST TOMC APPROVAL AIRCRAFT INSPECTIONS HAVE BEEN ACCOMPLISHED PER REQUIREMENTS OF AMM 05 -51-56. SOURCE OF SMELL DUE TO LEFT RECIRC FAN INOP. FOUND BREAKER F4 RECIRC FAN,LEFT POPPED LT MISC ELECTRICAL EQUIPMNov 21, 2025 · N675UA · Boeing 767324SDR DALA2025112108513Blower · failedON DESCENT INTO JAC JOINING APPROACH AT 14K FEET, NOTICED A SMELL OF BURNING FOOD OR SMOKE SCENT. R & R AVIONIC VENT BLOWER 20HQ PER A319 AMM 21-26. TEST OK. (7727282)Nov 20, 2025 · N316NB · Airbus A319114SDR DALA2025110408056Fan · damagedDIV TO MLB DUE TO REPORTED FUMES IN THE COCKPIT AND CABIN. MAINTENANCE CONFIRMED AVIONICS VENT FAN TO BE THE SOURCE OF THE SMELL. AVIONICS VENT DUCT ALSO FOUND DAMAGED. REPLACED 20HQ FAN AND REPAIRED THE DUCT. (LP 8072948)Nov 4, 2025 · N110DX · Airbus A321211SDR SWAA2025110330559Fan · odorODOR IN CABIN WITH CONDITIONED AIR HOOKED UP. TROUBLESHOT AND FOUND RECIRC FAN INOPERATIVE. OK TO CONTINUE PER MEL MEL 21-31-02. REMOVED & REPLACED THE RECIRC FAN IAW AMM 21-25-02 OPS TEST GOOD.Oct 31, 2025 · N262WN · Boeing 7377H4SDR R61A2025102900487Fan · failedABNORMAL SMELL/BURNT FUMES IN COCKPIT AND CABIN. NO SIGN OF SMOKE OR FIRE OR HOT SPOTS. DECLARED EMERGENCY, LANDED WITHOUT INCIDENT. FOUND LH RECIRC FAN CB TRIP. REMOVED AND REPLACED LH RECIRC FAN AND LICC K5 RELAY.Oct 29, 2025 · N439YX · Emb ERJ170200LRSDR AALA202510317198Fan · fault messageAIRCRAFT WAS GROUNDED: FLIGHT CREW REPORTED THAT ON 2 MILE FINAL EXPERIENCED ODD/ACRID SMELL FOLLOWED BY VENT BLOWER FAULT POPPED AVIONICS VENT BLOWER FAN AND ECAM VENT BLOWER FAULT. FLIGHT CREW COMPLIED WITH ECAM AND SMELL DISSIPATED BUT RESIDUAL SMELL REMAINOct 28, 2025 · N453AA · Airbus A321253NXSDR IXXA20251027066Cooling Fan · inoperativeDURING PRE-FLIGHT NOTICABLE SMELL OF BURNT WIRE IN THE FIGHT DECK. PLACED ON DEFERRAL 67357 MINIMUM EQUIPMENT LIST 21-58-03-01 CATEGORY C. DUE 06 NOVEMBER 2025. FLIGHT CREW DEBRIEFED AND FOUND THAT FORWARD EQUIPMENT SUPPLY FAN 1 EICAS MESSAGE AND EQUIPMENT COOOct 27, 2025 · N457AZ · Boeing 767323SDR UIEA2025102601281Exhaust Fan · odorSMOKE SMELL IN COCKPIT. R & R COOLING EXHAUST FAN PER AMM 21-58-01. OPS CHK NORMAL.Oct 26, 2025 · N454PA · Boeing 74746NFSDR YENA2025101401021Fan · odorFLT#1189, JFK-SAN. "ELECTRICAL ODOR FROM CENTER PEDISTAL ( EXTRACT FAN - NO AVNCS SYS FAULT ECAM CAUTION ); ITEM DEFERED IN ERROR LOG PAGE 4492949 ITEM 1 WAS TROUBLESHOT PER TSM 24-00-00-810-823-A FOUND AVIONICS EXTRACTOR FAN FIN 18HQ BAD R & R OPS CHECK GOOD Oct 12, 2025 · N992JB · Airbus A321231SDR SWAA2025093018940Fan · odorFA SMELLED SOMETHING IN THE CABIN, OK TO CONTINUE PER MEL 21-31-02 SP 1 AND 2. AFTER INSPECTION OF CABIN ROWS 7-9 ABC AND DEF AREA AND PSU. FOUND RECIRCULATING FAN GRINDING AND NOISY. REMOVED AND REPLACED THE RECIRCULATION FAN IAW AMM 21-25-02. OPS CHECK GOSep 28, 2025 · N7713A · Boeing 7377BDSDR CALA2025092809344Fan · failedELEC BURNING SMELL DURIN G CLIMB. MORE INTENSE IN AFT CABIN. NO SMOKE. NO SMELL IN FLT DECK. PERFORMED CONDITIONAL INSPECTION OF ELECTRICAL SMELL IN CABIN IAW AMM 05-51-26-800-801-C1. FOUND DISTRIBUTION FAN TO BE MAKING A HUMMING NOISE AND NOT WORKING. REMOVESep 27, 2025 · N16732 · Boeing 737724SDR AALA202509257742Fan · contaminatedAIRCRAFT WAS NOT GROUNDED: FLIGHT ATTENDANT REPORTED STRONG ODOR ON TAKEOFF AND ON CLIMB OUT THAT SMELLED LIKE DIRTY SOCK. GOT BETTER IN CRUISE AND WORSE ON DESCENT. FOUND LEAKING GREY WATER HOSE ABOVE LEFT HAND RECIRCULATING FAN FILTER. REMOVE AND REPLACED HOSep 23, 2025 · N969AN · Boeing 737823SDR CALA2025091909051Fan · dirtyWEIRD ODOR COMING OUT OF PACKS, INITIAL ENTRY INTO CABIN WITH PAX ON BOARD AND PACKS OPERATING INDICATES MODERATE ACIDIC-RUBBER LIKE ODOR. RECIRC FAN SYSTEMS AND ETC. REMOVED FORWARD CARGO COMPARTMENT AFT BULKHEAD LINER REMOVAL AND FOUND ODOR COMING FROM Sep 18, 2025 · N17583 · Boeing 7379SDR GTIA2025091839078Blower · inoperativeDURING CRUISE THE PILOTS HEARD AND FELT A BUZZING IN THE FLOOR AND SMELLED AN OVERHEATING MOTOR SMELL THEN WE GOT A VENT BLOWER FAULT ECAM MESSAGE ( BLOWER FAN (AVIONICS VENTILATION) VENT AVNCS SYS FAULT NOT DISPLAYED ) R & R FAN-BLOWER, AVNCS VENT FIN: (20HQ)Sep 15, 2025 · N713NK · Airbus A321271NXSDR CALA2025091008726Fan · faultedNOTICED BURNING SMELL COMING FROM UPPER VENT BY COCKPIT ENTRY DOOR AND AMBER 'FAN' WARNING ON AIRCONDITIONING ECAM PAGE COMPLETED CABIN TEMP CONTROL TEST REF AMM TASK 21-21-00-710-052-B AND TEST FAILED. RECIEVED 'RECIRC FAN 2 OR SUPPLY' MESSAGE CREATED SEPERATSep 8, 2025 · N458UA · Airbus A320232SDR QMLA2025090820093Blower Motor · failedWHILE IN CRUISE FLIGHT, DEBRIS BLEW INTO MY FACE FROM THE PILOT SIDE, AC VENT. SIMULTANEOUSLY A VIBRATION OR RATTLING EMANATING FROM THE FRONT INSTRUMENT SHROUD STARTED AND BEGAN INCREASING IN INTENSITY, AND I DETECTED THE SMELL OF BURNING RUBBER. I TURNED OFFSep 3, 2025 · N693AM · Bell 407SDR SWI2025F01126Fan · odorPILOTS INBOUND SAID THEY STILL SMELLED A BURNING PLASTIC SMELL IN FLIGHT AND THE ODOR GAVE THE FO A HEADACHE. (FLIGHT 4736) T/S IN REF WITH ERJ 175 FIM 21-20-00 STARTING ON PAGE 9-BLOCK 1, WITH APU AND ENGINES 1 & 2 RUNNING UNLATCHED BLEED APU TO ENSURE PACKAug 31, 2025 · N89362 · Emb ERJ170200LLSDR CALA2025090208377Fan · odor2H10 IN FLIGHT HAD VIBRATION BEHIND CA DISPLAYS FOLLOWED BY EL ECTIC SMELL. MODERATE LOCKED FOR FIX REMOVED AND REPLACED THE FORWARD RACK EXHAUST FAN PER THE BOEING 767 AMM TASK 21-58-06-404-146. PERFORMED OPERATIONAL TEST OF THE EXHAUST FAN AND FOUND NO DEFAug 31, 2025 · N685UA · Boeing 7673CBSDR CALA2025090208345Exhaust Fan · odorDUE TO ODOR IN CABIN, PERFORM CONDITIONAL INSPECTIONS PER AMM 05-51-56 COMPLIED WITH REQUIREMENTS DETAILED IN AMM05-51-56-940-801-C1. FROM CREW DEBRIEFING THE SOURCE OF ODOR WAS DETERMINED TO BE THE E/E EQUIPMENT EXHAUST FAN. ITEM CORRECTED ON LOG6118228.Aug 31, 2025 · N685UA · Boeing 7673CBSDR GTIA2025090239057Fan · faultedFA REPORTED BURNING RUBBER SMELL FROM AFT GALLEY ON DECENT INTO LAS. DESCRIPTION OF ODOR/FUMES: PERSISTENT, BURNING RUBBER SMELL. APPARENT CABIN SOURCE: UNKNOWN. AFT CABIN/GALLEY(LAV). NO VISIBLE SMOKE/HAZE. NO MEDICAL ATTENTION REQUIRED. PERFORMED ENGINE IDLAug 28, 2025 · N901NK · Airbus A320271NSDR R61A2025090900385Fan · faultySTRONG SMELL OF SMOKE IN COCKPIT DURING DESCENT THROUGH 13000 FEET. NO VISUAL SMOKE INDICATION. NO SMOKE SMELL IN THE CABIN. DECLARED EMERGENCY, LANDED WITHOUT INCIDENT. FIREFIGHTERS DID NOT FIND ABNORMAL HEAT SPOTS. R&R LH RECIRCULATION FAN.Aug 24, 2025 · N211JQ · Emb ERJ170200LR
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